﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;

namespace AgileShare.Framework.Library.Helpers
{
   public static class DirectoryHelper
    {
        #region
       /// <summary>
        /// 创建文件夹
        /// </summary>
        /// <param name="Path"></param>
        public static void FolderCreate(string Path)
        {
            // 判断目标目录是否存在如果不存在则新建之
            if (!Directory.Exists(Path))
                Directory.CreateDirectory(Path);
        }
        #endregion

        #region 创建目录
        public static void FileCreate(string Path)
        { 
            FileInfo CreateFile = new FileInfo(Path); //创建文件 
            if (!CreateFile.Exists) 
            { 
                FileStream FS = CreateFile.Create(); 
                FS.Close(); 
            } 
        } 
        #endregion

        #region 递归删除文件夹目录及文件
        /****************************************
         * 函数名称：DeleteFolder 
         * 功能说明：递归删除文件夹目录及文件 
         * 参    数：dir:文件夹路径 
         * 调用示列： 
         *           string dir = Server.MapPath( "test/"); 
         *           EC.FileObj.DeleteFolder(dir);       
        *****************************************/ 
        /// <summary>
        /// 递归删除文件夹目录及文件 
        /// </summary>
        /// <param name="dir"></param> 
        /// <returns></returns>
        public static void DeleteFolder(string dir) 
        { 
            if (Directory.Exists(dir)) //如果存在这个文件夹删除之 
            { 
                foreach (string d in Directory.GetFileSystemEntries(dir)) 
                { 
                    if (File.Exists(d)) 
                        File.Delete(d); //直接删除其中的文件                        
                    else 
                        DeleteFolder(d); //递归删除子文件夹 
                } 
                Directory.Delete(dir, true); //删除已空文件夹                 
            } 
        }
        #endregion

        #region 将指定文件夹下面的所有内容copy到目标文件夹下面 果目标文件夹为只读属性就会报错。
        /****************************************
         * 函数名称：CopyDir 
         * 功能说明：将指定文件夹下面的所有内容copy到目标文件夹下面 果目标文件夹为只读属性就会报错。 
         * 参    数：srcPath:原始路径,aimPath:目标文件夹 
         * 调用示列： 
         *           string srcPath = Server.MapPath( "test/"); 
         *           string aimPath = Server.MapPath( "test1/");
         *           EC.FileObj.CopyDir(srcPath,aimPath);   
        *****************************************/ 
        /// <summary>
        /// 指定文件夹下面的所有内容copy到目标文件夹下面 
        /// </summary>
        /// <param name="srcPath">原始路径</param>
        /// <param name="aimPath">目标文件夹</param>
        public static void CopyDir(string srcPath, string aimPath) 
        { 
            try 
            { 
                // 检查目标目录是否以目录分割字符结束如果不是则添加之 
                if (aimPath[aimPath.Length - 1] != Path.DirectorySeparatorChar) 
                    aimPath += Path.DirectorySeparatorChar; 
                // 判断目标目录是否存在如果不存在则新建之 
                if (!Directory.Exists(aimPath)) 
                    Directory.CreateDirectory(aimPath); 
                // 得到源目录的文件列表，该里面是包含文件以及目录路径的一个数组 
                //如果你指向copy目标文件下面的文件而不包含目录请使用下面的方法 
                //string[] fileList = Directory.GetFiles(srcPath); 
                string[] fileList = Directory.GetFileSystemEntries(srcPath); 
                //遍历所有的文件和目录 
                foreach (string file in fileList) 
                { 
                    //先当作目录处理如果存在这个目录就递归Copy该目录下面的文件
                    if (Directory.Exists(file))
                        CopyDir(file, aimPath + Path.GetFileName(file));
                    //否则直接Copy文件 
                    else 
                        File.Copy(file, aimPath + Path.GetFileName(file), true); 
                } 
            } 
            catch (Exception ee) 
            { 
                throw new Exception(ee.ToString()); 
            } 
        } 
        #endregion

        #region 获取指定文件夹下所有子目录及文件(树形)
        /****************************************
         * 函数名称：GetFoldAll(string Path) 
         * 功能说明：获取指定文件夹下所有子目录及文件(树形) 
         * 参    数：Path:详细路径 
         * 调用示列： 
         *           string strDirlist = Server.MapPath( "templates");       
         *           this.Literal1.Text = EC.FileObj.GetFoldAll(strDirlist); 
        *****************************************/ 
        /// <summary>
        /// 获取指定文件夹下所有子目录及文件 
        /// </summary>
        /// <param name="Path">详细路径</param>
        public static string GetFoldAll(string Path) 
        {
            string str = "";
            DirectoryInfo thisOne = new DirectoryInfo(Path);
            str = ListTreeShow(thisOne, 0, str); 
            return str;
        }
        /// <summary>
        /// 获取指定文件夹下所有子目录及文件函数
        /// </summary>
        /// <param name="theDir">指定目录</param>
        /// <param name="nLevel">默认起始值,调用时,一般为0</param>
        /// <param name="Rn">用于迭加的传入值,一般为空</param>
        /// <returns></returns>
        public static string ListTreeShow(DirectoryInfo theDir, int nLevel, string Rn)//递归目录 文件 
        { 
            DirectoryInfo[] subDirectories = theDir.GetDirectories();//获得目录 
            foreach (DirectoryInfo dirinfo in subDirectories) 
            {
                if (nLevel == 0)
                {
                    Rn += "├";
                } 
                else 
                { 
                    string _s = "";
                    for (int i = 1; i <= nLevel; i++)
                    { 
                        _s += "│&nbsp;";
                    } 
                    Rn += _s + "├";
                } 
                Rn += "<b>" + dirinfo.Name.ToString() + "</b><br />";
                FileInfo[] fileInfo = dirinfo.GetFiles();   //目录下的文件 
                foreach (FileInfo fInfo in fileInfo) 
                { 
                    if (nLevel == 0) 
                    { 
                        Rn += "│&nbsp;├";
                    } 
                    else 
                    { 
                        string _f = "";
                        for (int i = 1; i <= nLevel; i++)
                        { 
                            _f += "│&nbsp;";
                        } 
                        Rn += _f + "│&nbsp;├";
                    } 
                    Rn += fInfo.Name.ToString() + " <br />";
                } 
                Rn = ListTreeShow(dirinfo, nLevel + 1, Rn);

            }
            return Rn; 
        }
        /****************************************
         * 函数名称：GetFoldAll(string Path)
         * 功能说明：获取指定文件夹下所有子目录及文件(下拉框形) 
         * 参    数：Path:详细路径 
         * 调用示列： 
         *            string strDirlist = Server.MapPath( "templates");      
         *            this.Literal2.Text = EC.FileObj.GetFoldAll(strDirlist, "tpl","");
        *****************************************/ 
        /// <summary>
        /// 获取指定文件夹下所有子目录及文件(下拉框形) 
        /// </summary>
        /// <param name="Path">详细路径</param>
        /// <param name="DropName">下拉列表名称</param>
        /// <param name="tplPath">默认选择模板名称</param>
        public static string GetFoldAll(string Path,string DropName,string tplPath) 
        { 
            string strDrop = "<select name=\"" + DropName + "\" id=\"" + DropName + "\"><option value=\"\">--请选择详细模板--</option>";
            string str = "";
            DirectoryInfo thisOne = new DirectoryInfo(Path); 
            str = ListTreeShow(thisOne, 0, str,tplPath); 
            return strDrop+str+ "</select>";
        }
        /// <summary>
        /// 获取指定文件夹下所有子目录及文件函数
        /// </summary>
        /// <param name="theDir">指定目录</param>
        /// <param name="nLevel">默认起始值,调用时,一般为0</param>
        /// <param name="Rn">用于迭加的传入值,一般为空</param>
        /// <param name="tplPath">默认选择模板名称</param>
        /// <returns></returns>
        public static string ListTreeShow(DirectoryInfo theDir, int nLevel, string Rn,string tplPath)//递归目录 文件 
        { 
            DirectoryInfo[] subDirectories = theDir.GetDirectories();//获得目录
            foreach (DirectoryInfo dirinfo in subDirectories)
            {
                Rn += "<option value=\"" + dirinfo.Name.ToString() + "\"";
                if (tplPath.ToLower() == dirinfo.Name.ToString().ToLower())
                { 
                    Rn += " selected ";
                } 
                Rn += ">";
                if (nLevel == 0)
                {
                    Rn += "┣";
                } 
                else 
                { 
                    string _s = "";
                    for (int i = 1; i <= nLevel; i++)
                    { 
                        _s += "│&nbsp;";
                    } 
                    Rn += _s + "┣";
                } 
                Rn += "" + dirinfo.Name.ToString() + "</option>";

                FileInfo[] fileInfo = dirinfo.GetFiles();   //目录下的文件
                foreach (FileInfo fInfo in fileInfo) 
                { 
                    Rn += "<option value=\"" + dirinfo.Name.ToString()+"/"+fInfo.Name.ToString() + "\"";
                    if (tplPath.ToLower() == fInfo.Name.ToString().ToLower()) 
                    { 
                        Rn += " selected ";
                    } 
                    Rn += ">";
                    if (nLevel == 0)
                    {
                        Rn += "│&nbsp;├";
                    } 
                    else 
                    { 
                        string _f = "";
                        for (int i = 1; i <= nLevel; i++)
                        { 
                            _f += "│&nbsp;";
                        } 
                        Rn += _f + "│&nbsp;├";
                    } 
                    Rn += fInfo.Name.ToString() + "</option>";
                } 
                Rn = ListTreeShow(dirinfo, nLevel + 1, Rn, tplPath);

            }
            return Rn; 
        } 
        #endregion

        public static DirectoryInfo[] GetSubFolder(string FoderPath)
        {
            if (!Directory.Exists(FoderPath))
            {
                return null;
            }
            DirectoryInfo parentFolder = new DirectoryInfo(FoderPath);
            DirectoryInfo[] subFolder = parentFolder.GetDirectories();
            return subFolder;
        }

        public static FileInfo[] GetSubFile(string FolderPaht)
        {
            if (!Directory.Exists(FolderPaht))
            {
                return null;
            }

            DirectoryInfo parentFolder = new DirectoryInfo(FolderPaht);
            FileInfo[] subFile = parentFolder.GetFiles();
            return subFile;
        }


        #region 获取文件夹大小
        /****************************************
         * 函数名称：GetDirectoryLength(string dirPath) 
         * 功能说明：获取文件夹大小 
         * 参    数：dirPath:文件夹详细路径 
         * 调用示列： 
         *           string Path = Server.MapPath( "templates"); 
         *           Response.Write(EC.FileObj.GetDirectoryLength(Path));       
        *****************************************/ 
        /// <summary>
        /// 获取文件夹大小 
        /// </summary>
        /// <param name="dirPath">文件夹路径</param>
        /// <returns></returns>
        public static long GetDirectoryLength(string dirPath) 
        { 
            if (!Directory.Exists(dirPath)) 
                return 0; 
            long len = 0; 
            DirectoryInfo di = new DirectoryInfo(dirPath); 
            foreach (FileInfo fi in di.GetFiles()) 
            { 
                len += fi.Length; 
            } 
            DirectoryInfo[] dis = di.GetDirectories(); 
            if (dis.Length > 0)
            { 
                for (int i = 0; i < dis.Length; i++)
                { 
                    len += GetDirectoryLength(dis[i].FullName); 
                } 
            } 
            return len; 
        } 
        #endregion

        #region 获取指定文件详细属性
        /****************************************
         * 函数名称：GetFileAttibe(string filePath) 
         * 功能说明：获取指定文件详细属性 
         * 参    数：filePath:文件详细路径 
         * 调用示列： 
         *           string file = Server.MapPath( "robots.txt"); 
         *            Response.Write(EC.FileObj.GetFileAttibe(file));         
        *****************************************/ 
        /// <summary>
        /// 获取指定文件详细属性 
        /// </summary>
        /// <param name="filePath">文件详细路径</param>
        /// <returns></returns>
        public static string GetFileAttibe(string filePath) 
        { 
            string str = "";
            System.IO.FileInfo objFI = new System.IO.FileInfo(filePath); 
            str += "详细路径:" + objFI.FullName + "<br>文件名称:" + objFI.Name + "<br>文件长度:" + objFI.Length.ToString() + "字节<br>创建时间" + objFI.CreationTime.ToString() + "<br>最后访问时间:" + objFI.LastAccessTime.ToString() + "<br>修改时间:" + objFI.LastWriteTime.ToString() + "<br>所在目录:" + objFI.DirectoryName + "<br>扩展名:" + objFI.Extension;
            return str; 
        } 
        #endregion 



        /// 在根目录下创建文件夹 
        /// 
        /// 要创建的文件路径 
        public static void CreateFolder(string FolderPathName)
        {
            if (FolderPathName.Trim().Length > 0)
            {
                try
                {
                    string CreatePath = System.Web.HttpContext.Current.Server.MapPath
                    ("../../../Images/" + FolderPathName).ToString();
                    if (!Directory.Exists(CreatePath))
                    {
                        Directory.CreateDirectory(CreatePath);
                    }
                }
                catch
                {
                    throw;
                }
            }
        }


        /// 删除一个文件夹下面的字文件夹和文件 
        /// 
        /// 
        public static void DeleteChildFolder(string FolderPathName)
        {
            if (FolderPathName.Trim().Length > 0)
            {
                try
                {
                    string CreatePath = System.Web.HttpContext.Current.Server.MapPath(FolderPathName).ToString();
                    if (Directory.Exists(CreatePath))
                    {
                        Directory.Delete(CreatePath, true);
                    }
                }
                catch
                {
                    throw;
                }
            }
        }


        /// 删除一个文件 
        /// 
        /// 
        public static void DeleteFile(string FilePathName)
        {
            try
            {
                FileInfo DeleFile = new FileInfo(System.Web.HttpContext.Current.Server.MapPath(FilePathName).ToString());
                DeleFile.Delete();
            }
            catch
            {
            }
        }


        public static void CreateFile(string FilePathName)
        {
            try
            {
                //创建文件夹 
                string[] strPath = FilePathName.Split('/');
                CreateFolder(FilePathName.Replace("/" + strPath[strPath.Length - 1].ToString(), "")); //创建文件 夹 
                FileInfo CreateFile = new FileInfo(System.Web.HttpContext.Current.Server.MapPath (FilePathName).ToString());　　　　 //创建文件 
                if (!CreateFile.Exists)
                {
                    FileStream FS = CreateFile.Create();
                    FS.Close();
                }
            }
            catch
            {
            }
        }

        /// 删除整个文件夹及其字文件夹和文件 
        /// 
        /// 
        public static void DeleParentFolder(string FolderPathName)
        {
            try
            {
                DirectoryInfo DelFolder = new DirectoryInfo(System.Web.HttpContext.Current.Server.MapPath
                (FolderPathName).ToString());
                if (DelFolder.Exists)
                {
                    DelFolder.Delete();
                }
            }
            catch
            {
            }
        }
        /// 在文件里追加内容 
        /// 
        /// 
        public static void ReWriteReadinnerText(string FilePathName, string WriteWord)
        {
            try
            {
                //建立文件夹和文件 
                //CreateFolder(FilePathName); 
                CreateFile(FilePathName);
                //得到原来文件的内容 
                FileStream FileRead = new FileStream(System.Web.HttpContext.Current.Server.MapPath
                (FilePathName).ToString(), FileMode.Open, FileAccess.ReadWrite);
                StreamReader FileReadWord = new StreamReader(FileRead, System.Text.Encoding.Default);
                string OldString = FileReadWord.ReadToEnd().ToString();
                OldString = OldString + WriteWord;
                //把新的内容重新写入 
                StreamWriter FileWrite = new StreamWriter(FileRead, System.Text.Encoding.Default);
                FileWrite.Write(WriteWord);
                //关闭 
                FileWrite.Close();
                FileReadWord.Close();
                FileRead.Close();
            }
            catch
            {
                //　　throw; 
            }
        }


        /// 在文件里追加内容 
        /// 
        /// 
        public static string ReaderFileData(string FilePathName)
        {
            try
            {
                FileStream FileRead = new FileStream(System.Web.HttpContext.Current.Server.MapPath
                (FilePathName).ToString(), FileMode.Open, FileAccess.Read);
                StreamReader FileReadWord = new StreamReader(FileRead, System.Text.Encoding.Default);
                string TxtString = FileReadWord.ReadToEnd().ToString();
                //关闭 
                FileReadWord.Close();
                FileRead.Close();
                return TxtString;
            }
            catch
            {
                throw;
            }
        }

        /// 读取文件夹的文件 
        /// 
        /// 
        /// 
        public static DirectoryInfo checkValidSessionPath(string FilePathName)
        {
            try
            {
                DirectoryInfo MainDir = new DirectoryInfo(System.Web.HttpContext.Current.Server.MapPath(FilePathName));
                return MainDir;
            }
            catch
            {
                throw;
            }
        }


        #region 取得文件后缀名
        /****************************************
         * 函数名称：GetPostfixStr
         * 功能说明：取得文件后缀名
         * 参    数：filename:文件名称
         * 调用示列：
         *           string filename = "aaa.aspx";        
         *           string s = EC.FileObj.GetPostfixStr(filename);         
        *****************************************/
        /// <summary>
        /// 取后缀名
        /// </summary>
        /// <param name="filename">文件名</param>
        /// <returns>.gif|.html格式</returns>
        public static string GetPostfixStr(string filename)
        {
            int start = filename.LastIndexOf(".");
            int length = filename.Length;
            string postfix = filename.Substring(start, length - start);
            return postfix;
        }
        #endregion





        #region 写文件
        /****************************************
         * 函数名称：WriteFile
         * 功能说明：当文件不存时，则创建文件，并追加文件
         * 参    数：Path:文件路径,Strings:文本内容
         * 调用示列：
         *           string Path = Server.MapPath("Default2.aspx");       
         *           string Strings = "这是我写的内容啊";
         *           EC.FileObj.WriteFile(Path,Strings);
        *****************************************/
        /// <summary>
        /// 写文件
        /// </summary>
        /// <param name="Path">文件路径</param>
        /// <param name="Strings">文件内容</param>
        public static void WriteFile(string Path, string Strings)
        {
            if (!System.IO.File.Exists(Path))
            {
                //Directory.CreateDirectory(Path);

                System.IO.FileStream f = System.IO.File.Create(Path);
                f.Close();
                f.Dispose();
            }
            System.IO.StreamWriter f2 = new System.IO.StreamWriter(Path, false, System.Text.Encoding.GetEncoding("gb2312"));
            //参数1：文件路径
            //参数2：是否追加内容,false = 不追加,true = 追加
            //System.Text.Encoding.GetEncoding("gb2312")    GB2312编码
            //System.Text.Encoding.UTF8                     UTF-8编码
            f2.WriteLine(Strings);
            f2.Close();
            f2.Dispose();


        }
        #endregion

        #region 读文件
        /****************************************
         * 函数名称：ReadFile
         * 功能说明：读取文本内容
         * 参    数：Path:文件路径
         * 调用示列：
         *           string Path = Server.MapPath("Default2.aspx");       
         *           string s = EC.FileObj.ReadFile(Path);
        *****************************************/
        /// <summary>
        /// 读文件
        /// </summary>
        /// <param name="Path">文件路径</param>
        /// <returns></returns>
        public static string ReadFile(string Path)
        {
            string s = "";
            if (!System.IO.File.Exists(Path))
                s = "不存在相应的目录";
            else
            {
                StreamReader f2 = new StreamReader(Path, System.Text.Encoding.GetEncoding("gb2312"));
                s = f2.ReadToEnd();
                f2.Close();
                f2.Dispose();
            }

            return s;
        }
        #endregion

       

        #region 拷贝文件
        /****************************************
         * 函数名称：FileCoppy
         * 功能说明：拷贝文件
         * 参    数：OrignFile:原始文件,NewFile:新文件路径
         * 调用示列：
         *           string OrignFile = Server.MapPath("Default2.aspx");     
         *           string NewFile = Server.MapPath("Default3.aspx");
         *           EC.FileObj.FileCoppy(OrignFile, NewFile);
        *****************************************/
        /// <summary>
        /// 拷贝文件
        /// </summary>
        /// <param name="OrignFile">原始文件</param>
        /// <param name="NewFile">新文件路径</param>
        public static void FileCoppy(string OrignFile, string NewFile)
        {
            File.Copy(OrignFile, NewFile, true);
        }

        #endregion



        #region 在当前目录下创建目录
        /****************************************
         * 函数名称：FolderCreate
         * 功能说明：在当前目录下创建目录
         * 参    数：OrignFolder:当前目录,NewFloder:新目录
         * 调用示列：
         *           string OrignFolder = Server.MapPath("test/");    
         *           string NewFloder = "new";
         *           EC.FileObj.FolderCreate(OrignFolder, NewFloder); 
        *****************************************/
        /// <summary>
        /// 在当前目录下创建目录
        /// </summary>
        /// <param name="OrignFolder">当前目录</param>
        /// <param name="NewFloder">新目录</param>
        public static void FolderCreate(string OrignFolder, string NewFloder)
        {
            Directory.SetCurrentDirectory(OrignFolder);
            Directory.CreateDirectory(NewFloder);
        }

        #endregion

        public static byte[] GetFileByPath(string filePath)
        {

            FileStream pFileStream = null;
            byte[] pReadByte = new byte[0];
            try
            {
                pFileStream = new FileStream(filePath, FileMode.Open, FileAccess.Read);
                BinaryReader r = new BinaryReader(pFileStream);
                r.BaseStream.Seek(0, SeekOrigin.Begin);    //将文件指针设置到文件开
                pReadByte = r.ReadBytes((int)r.BaseStream.Length);
                return pReadByte;
            }
            catch
            {
                return pReadByte;
            }

            finally
            {
                if (pFileStream != null)
                    pFileStream.Close();
            }

        }

        //写byte[]到fileName

        public static bool writeFile(byte[] pReadByte, string fileName)
        {
            FileStream pFileStream = null;
            try
            {
                pFileStream = new FileStream(fileName, FileMode.OpenOrCreate);
                pFileStream.Write(pReadByte, 0, pReadByte.Length);
            }

            catch
            {
                return false;
            }

            finally
            {
                if (pFileStream != null)
                   pFileStream.Close();
            }
            return true;
        }
 

    } 
}


